Scorria dark red\brown has holes Rhyolite its white, peach, yellow, and red Granite white black and pink looks like it has crystals which make it shine in the light Andesite Diorite Basalt Pumice Gabbro Obsidian black shiny it has gray spots and pink scraps
Sedimentary Rocks
Conglomerate Coal is black and organic with plant material Limestone reacts to acid it is red brown and has crystals Brecchia Shale black rock that can be broken into sheets and has plants fossils on it becomes slate with pressure Chert scratches limestones Sandstonelooks striped Coquina a bunch of little seashells stuck together Siltstone it looks like there is one big rock that looks like it has sand and seashells stuck to it from being on the beach. Metamorphic Rocks
Quartzite looks like or similar to quartz and is the same colors Marble Schist Gneiss Slate black can be broken into a sheet is made of shale
Scorria dark red\brown has holes
Rhyolite its white, peach, yellow, and red
Granite white black and pink looks like it has crystals which make it shine in the light
Andesite
Diorite
Basalt
Pumice
Gabbro
Obsidian black shiny it has gray spots and pink scraps
Sedimentary Rocks
Conglomerate
Coal is black and organic with plant material
Limestone reacts to acid it is red brown and has crystals
Brecchia
Shale black rock that can be broken into sheets and has plants fossils on it becomes slate with pressure
Chert scratches limestones
Sandstone looks striped
Coquina a bunch of little seashells stuck together
Siltstone it looks like there is one big rock that looks like it has sand and seashells stuck to it from being on the beach.
Metamorphic Rocks
Quartzite looks like or similar to quartz and is the same colors
Marble
Schist
Gneiss
Slate black can be broken into a sheet is made of shale